/ Dictionary / Index T trapezohedron: Meaning and Definition of Find definitions for: tra•pe•zo•he•dron Pronunciation: (tru-pē"zu-hē'drun, trap"u-), [key] — pl. -drons, -dra a crystal form having all faces trapeziums. a trapezoid trisoctahedron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trapezohedron (Thesaurus) trapezius trapezoid Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language